skrivlettere.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 54.194.41.141 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by mx1.pub.mailpod8-cph3.one.com, mx3.pub.mailpod8-cph3.one.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 54.194.41.141 | 3600s | ec2-54-194-41-141.eu-west-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 54.192.0.0/14 | 🇮🇪 Ireland | Dublin |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod8-cph3.one.com | 185.164.14.102 | mx1.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod8-cph3.one.com | 185.164.14.104 | mx3.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| TXT Record |
|---|
| rm_verify=21c41759f7 |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | E7531AB55E1935413AA5EC5366CF909D… |
| SMTP _25._tcp.mx3.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | E7531AB55E1935413AA5EC5366CF909D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092601 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 04:26:03 shown | 677ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 20:55:32 | 682ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-01 12:14:33 | 891ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-27 08:26:59 | 524ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-21 21:02:42 | 1965ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-27 08:01:14 | 1293ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 14:40:39 | 3265ms | 2 NS 1 A 3 MX | 🔒 Secure |